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Journal : Pro-Life

RESPON PERTUMBUHAN STEK CABANG BAMBU AMPEL KUNING (Bambusa vulgaris Schard.Ex Wendl.var. Striata) DENGAN PEMBERIAN ZAT PENGATUR TUMBUH NAA (Naphthalein Acetic Acid) DAN Rootone F Tia Setiawati; Noviyanti Soleha; Mohamad Nurzaman
Jurnal Pro-Life Vol. 5 No. 3 (2018): November
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

Yellow ampel bamboo is one type of bamboo that has economic value. One effort that can be done for maintaining the existence of bamboo population so that its can be sustainably used through the cultivation of branch cuttings. The success growth of branch cutting can improve with using plant growth regulator (PGR), such as NAA and Rootone F. The aim of this study was to get the best kind and concentration of PGR that can promote the growth of ampel yellow bamboobranch cutting. This study used experimental methods with a completely randomized design (CRD) two factors. The first factor wasthe kind of PGR which consists of two levels: z1 = NAA and z2 = Rootone F. The second factor was the concentration of PGR which consists of six levels: k1 = 0 ppm, k2 = 100 ppm, 200 ppm = k3, k4 = 300 ppm, 400 ppm = k5, and k6 = 500 ppm. Data were analyzed using ANOVA (α = 5%) and to know the difference between treatments used Tukey test (α= 5%). The results showed that the Rootone F had a better effect than NAA on the growth of yellow bamboo branch cutting. Concentration of 200 ppm was the best concentration to the growth for branch cuttings of yellow ampel bamboo. Interaction Rootone F and concentration 200 ppm showed the best result to the growth for branch cuttings ampel bamboo.Keywords :branch cutting, ampel yellow bamboo, NAA, Rootone F
Pemberian Asam Humat untuk Meningkatkan Pertumbuhan dan Kandungan Total Flavonoid Sawi Hijau (Brassica juncea L.) pada Perbedaan Kadar Salinitas Tia Setiawati; Tentani Buhti Amadea; Mohamad Nurzaman; Nining Ratningsih
Jurnal Pro-Life Vol. 8 No. 3 (2021): November
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

Salt affects plant growth due to increased soil osmotic pressure and plant nutrients disturbance. Most plants are susceptible to high salinity which can cause physiological and biochemical interference. This research was conducted to obtain a possible salinity level for mustard greens (Brassica juncea L.) to grow well and the best humic acid dosage to reduce salinity damages and to gain high total flavonoid content. This research used Randomized Block Design method with two factors and four replications. The factors are salinity levels (control, 50, 75, and 100 mM) and humic acid dosage (control, 2, 4, and 8 g/kg). In the parameters which had interactions between the two treatments, the highest results were obtained with a combination of 100 mM salinity and 12 g humic acid, such as plant height (33.35 cm), leaf area (379.66 cm2), fresh weight (22.41 g) and dry weight (1.54 g). The highest results on leaf number (8.5 leaves) and total flavonoid content (0.074 mgQE/g sample) were obtained with 100 mM salinity. Humic acid dose of 12 g gave the highest result on leaf number (8.69 leaves) and total flavonoid content (0.095 mgQE/g sample).